CN211689812U

CN211689812U - Roller compacted concrete basic unit joint-cutting device

Info

Publication number: CN211689812U
Application number: CN201921878400.7U
Authority: CN
Inventors: 李思李; 田波; 权磊; 谢晋德; 李立辉
Original assignee: Research Institute of Highway Ministry of Transport
Current assignee: Research Institute of Highway Ministry of Transport
Priority date: 2019-11-01
Filing date: 2019-11-01
Publication date: 2020-10-16
Anticipated expiration: 2029-11-01

Abstract

The utility model relates to the technical field of building equipment, in particular to a roller compacted concrete base layer joint-cutting device, which comprises a bottom plate and a support frame, wherein the support frame is fixedly arranged on the upper surface of the bottom plate, a driving machine is fixedly arranged on the support frame, a front end bearing of the bottom plate is connected with a transmission shaft, an output shaft of the driving machine is connected with one end of the transmission shaft through a belt, the other end of the transmission shaft is fixedly connected with a cutting wheel, two front wheels and two rear wheels are arranged at the bottom of the bottom plate, the front wheels are directional wheels, the rear wheels are universal wheels, a lifting mechanism is fixedly arranged at the rear end of the top of the bottom plate, a roller is fixedly arranged on the lifting end of the lifting mechanism, and the roller is a directional wheel; when the cutting is needed, the cutting device can be kept stable, and the cutting depth can be adjusted.

Description

Roller compacted concrete basic unit joint-cutting device

Technical Field

The utility model relates to a construction equipment technical field especially relates to a roller compacted concrete basic unit joint-cutting device.

Background

When the pavement pouring construction is carried out, joint cutting needs to be carried out on a poured concrete base layer, a space for expansion with heat and contraction with cold of the concrete is reserved, the situation that the concrete cracks due to expansion with heat and contraction with cold is reduced, the current concrete joint cutter is used for keeping cutting stability, and all supporting wheels of the joint cutter adopt directional wheels so as to ensure that the joint cutter moves towards one direction.

The weight of the concrete joint cutter is mostly more than 100kg, and when the joint cutter does not work, great effort is needed to turn the concrete joint cutter; if the universal wheels are directly adopted as the front wheels and the rear wheels of the concrete joint cutter, the stability of the concrete joint cutter during working can not be ensured.

The utility model has the following contents:

an object of the utility model is to provide a turn to convenient and can remain stable roller compacted concrete basic unit joint-cutting device again when cutting.

In order to realize the above object, the technical scheme of the utility model is that:

the utility model provides a roller compacted concrete basic unit joint-cutting device, includes the bottom plate, fixed mounting has the support frame on the floor, fixed mounting has the driving machine on the support frame, bottom plate front end bearing is connected with the transmission shaft, driving machine output shaft pass through the belt with the one end of transmission shaft is connected, the other end fixedly connected with cutting wheel of transmission shaft, two front wheels and two rear wheels are installed to the bottom plate bottom, two the front wheel install in front end, two in the bottom plate the rear wheel install in the bottom plate rear end, the rear wheel radius is less than the front wheel radius, the front wheel is directional wheel, the rear wheel is the universal wheel, bottom plate top rear end fixed mounting has elevating system, elevating system's lift is served fixed mounting and is had the gyro wheel, the gyro wheel is the fixed pulley.

Further, elevating system includes a supporting beam, a lifting beam, rotary rod, steering wheel, shutter and handrail, a supporting beam fixed mounting be in bottom plate top rear end, the lifting beam link up a supporting beam's both sides, the lifting beam can slide from top to bottom in a supporting beam, the both ends of lifting beam are connected with the gyro wheel, the rotary rod is vertical to be link up a supporting beam with the lifting beam, the rotary rod with a supporting beam bearing is connected, the rotary rod with lifting beam threaded connection, steering wheel fixed connection be in the top of rotary rod, shutter hinged joint is in a supporting beam side, handrail fixed connection be in on the supporting beam both sides face.

Furthermore, a clamping hole is fixedly arranged at the position, corresponding to the rotary rod, of the top surface of the bottom plate, and the bottom end of the rotary rod is connected with the clamping hole bearing.

Furthermore, a water tank is further installed on the supporting frame, a plurality of through holes are formed in the top surface of the water tank, and a water outlet pipe is connected to the bottom end of the side face of the water tank.

Further, a protective cover is installed on one side where the cutting wheel at the front end of the bottom plate is located, a clamping hook is fixedly installed on the rear portion of the side face of the protective cover, a guide rod is connected to the front portion of the side face of the protective cover in a rotating mode, the tail end of the guide rod is connected with the guide wheel, and the protective cover is communicated with a water outlet end of the water outlet pipe.

The utility model has the advantages that: the rear wheels are changed into the universal wheels, so that the rear wheels and the front wheels are in contact with the ground when cutting is not needed, the movement of the device is facilitated, and the joint cutting device is prevented from moving towards one direction only; set up elevating system at the bottom plate rear end, elevating system's lift is served and is connected with directional gyro wheel, when needs cut, adjusts elevating system, makes gyro wheel and front wheel contact ground, because gyro wheel and front wheel all are directional wheels, can guarantee the stability of cutting, and elevating system can also adjust the degree of depth of cutting simultaneously.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the present invention;

fig. 3 is a schematic structural view of the lifting mechanism of the present invention;

fig. 4 is a schematic view of the bottom plate structure of the present invention.

Reference numerals: 1. the device comprises a bottom plate, 11, a support frame, 12, a clamping hole, 2, a driving machine, 21, a belt, 3, a transmission shaft, 31, a cutting wheel, 4, a front wheel, 5, a rear wheel, 6, a lifting mechanism, 61, a supporting beam, 62, a lifting beam, 63, a rotating rod, 64, a steering wheel, 65, a stop door, 66, a handrail, 7, a roller, 8, a water tank, 81, a through hole, 82, a water outlet pipe, 9, a protective cover, 91, a clamping hook, 92, a guide rod, 93 and a guide wheel.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments obtained by a person skilled in the art based on the embodiments of the present invention belong to the protection scope of the present invention.

As shown in fig. 1-4, a cutting and sewing device for roller compacted concrete base layer comprises a bottom plate 1, the bottom plate 1 is rectangular, a support frame 11 is fixedly installed in the middle of the upper surface of the bottom plate 1, a driving machine 2 is fixedly installed at the upper front end of the support frame 11, a transmission shaft 3 is connected to the front end of the bottom plate 1 through a bearing, both ends of the transmission shaft 3 exceed the left and right sides of the bottom plate 1, an output shaft of the driving machine 2 faces the left side of the bottom plate 1, the output shaft of the driving machine 2 is connected with the left end of the transmission shaft 3 through three belts 21, a cutting wheel 31 is fixedly connected to the right end of the transmission shaft 3, two front wheels 4 and two rear wheels 5 are installed at the bottom of the bottom plate 1, the two front wheels 4 are installed at the front end of the bottom plate 1, the two rear wheels 5 are installed at the rear end of the bottom plate 1, the lifting end of the lifting mechanism 6 is fixedly provided with a roller 7, the roller 7 is a directional wheel, and the radius of the roller 7 is the same as that of the front wheel 4.

In practical use, when the joint cutting device does not need to cut, the rear wheel 5 and the front wheel 4 are contacted with the ground, the radius of the rear wheel 5 is smaller than that of the front wheel 4, the bottom plate 1 faces obliquely upwards, the cutting wheel 31 cannot be contacted with the ground, and the rear wheel 5 is a universal wheel and can conveniently rotate in all directions; when needs cut, adjust elevating system 6, make elevating system 6's lift end downstream, let gyro wheel 7 contact ground, when gyro wheel 7 contact ground, because gyro wheel 7 is directional wheel with front wheel 4, the lancing device is difficult to turn to, continue downwardly regulated elevating system 6, the orientation of bottom plate 1 is slant downward, cutting wheel 31 can contact ground, open driving machine 2, make cutting wheel 31 begin to rotate and cut, can downwardly regulated elevating system 6 again, cutting wheel 31 bottom plate 1 downward inclination can be bigger, the degree of depth of cutting also can be darker.

In this embodiment, the lifting mechanism 6 includes a supporting beam 61, a lifting beam 62, a rotating rod 63, a steering wheel 64, a door 65 and a handrail 66, the supporting beam 61 is fixedly installed at the rear end of the top of the bottom plate 1, rectangular openings are penetrated through the middle lower parts of the two sides of the supporting beam 61, the lifting beam 62 passes through the rectangular openings of the two sides of the supporting beam 61, the width of the lifting beam 62 is consistent with the width of the rectangular openings of the two sides of the supporting beam 61, the lifting beam 62 can slide up and down in the supporting beam 61, rollers 7 are connected to the bottoms of the two ends of the lifting beam 62, the rotating rod 63 vertically penetrates through the supporting beam 61 and the lifting beam 62, the rotating rod 63 is in bearing connection with the supporting beam 61, the rotating rod 63 is in threaded connection with the lifting beam 62, the steering wheel 64 is fixedly connected to the top end of the, the upper portions of two side faces of the supporting beam 61 are connected with handrails 66, when the lifting beam 62 is required to be lifted, the steering wheel 64 is rotated, the rotating rod 63 rotates to drive the lifting beam 62 to move up and down, the lifting effect is achieved, and the handrails 66 are used for conveniently pushing the whole joint cutting device.

In this embodiment, the top surface of the base plate 1 is fixedly installed with the locking hole 12 at a position corresponding to the rotating rod 63, and the bottom end of the rotating rod 63 is connected to the locking hole 12 by a bearing, so as to prevent the axis of the rotating rod 63 from deviating.

In this embodiment, the water tank 8 is still installed to the rear end on the support frame 11, and open at the top surface of water tank 8 has a plurality of through-

holes

81, and 8 side bottoms of water tank are connected with outlet pipe 82, and when the lancing device cut, aim at cutting wheel 31 with outlet pipe 82, cool down cutting wheel 31 in real time to can wash away some dust, when needs add water, directly pour water into water tank 8, convenient and fast through the through-hole 81 at 8 tops of water tank.

In this embodiment, the protective cover 9 is installed on the right side of the front end of the bottom plate 1, the hook 91 is fixedly installed on the rear portion of the side surface of the protective cover 9, the guide rod 92 is rotatably connected to the front portion of the side surface of the protective cover 9, the guide wheel 93 is connected to the tail end of the guide rod 92, the protective cover 9 is communicated with the water outlet end of the water outlet pipe 82, when the cutting and sewing device performs cutting, the protective cover 9 can resist a part of dust, the guide rod 92 and the guide wheel 93 can provide a directional effect to avoid direction deviation, the water outlet pipe 82 is directly connected to the protective cover 9, and a fixing; when cutting is not needed, the guide rod 92 can be rotated backwards, the tail end of the guide rod is placed on the hook, and space is saved.

The utility model has the advantages that the rear wheels 5 are universal wheels, when the cutting is not needed, the rear wheels 5 and the front wheels 4 contact the ground, the joint cutting device can easily turn, and the joint cutting device can be prevented from moving towards one direction; set up elevating system 6 at bottom plate 1 rear end, elevating system 6's lift is served and is connected with directional gyro wheel 7, when needs carry out the lancing, adjusts elevating system 6, makes gyro wheel 7 and front wheel 4 contact ground, because gyro wheel 7 and front wheel 4 are directional wheels, is difficult to the skew direction during the cutting, can guarantee the stability of cutting, adjusts elevating system 6 and can also change the degree of depth of cutting.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and all modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The roller compacted concrete base layer joint cutting device comprises a bottom plate (1), wherein a support frame (11) is fixedly installed on the bottom plate (1), a driving machine (2) is fixedly installed on the support frame (11), a transmission shaft (3) is connected to a front end bearing of the bottom plate (1), an output shaft of the driving machine (2) is connected with one end of the transmission shaft (3) through a belt (21), and a cutting wheel (31) is fixedly connected to the other end of the transmission shaft (3), and the roller compacted concrete base layer joint cutting device is characterized in that two front wheels (4) and two rear wheels (5) are installed at the bottom of the bottom plate (1), the two front wheels (4) are installed at the middle and front ends of the bottom plate (1), the two rear wheels (5) are installed at the rear end of the bottom plate (1), the radius of the rear wheels (5) is smaller than that of the front wheels (4), the front wheels (4) are directional wheels, and, the lifting mechanism (6) is fixedly mounted at the rear end of the top of the bottom plate (1), the roller (7) is fixedly mounted at the lifting end of the lifting mechanism (6), and the roller (7) is an orientation wheel.

2. The roller compacted concrete basement cutting device according to claim 1, wherein the lifting mechanism (6) comprises a supporting beam (61), a lifting beam (62), a rotating rod (63), a steering wheel (64), a shutter (65) and a handrail (66), the supporting beam (61) is fixedly installed at the rear end of the top of the base plate (1), the lifting beam (62) penetrates through two sides of the supporting beam (61), the lifting beam (62) can slide up and down in the supporting beam (61), two ends of the lifting beam (62) are connected with rollers, the rotating rod (63) vertically penetrates through the supporting beam (61) and the lifting beam (62), the rotating rod (63) is connected with the supporting beam (61) through a bearing, the rotating rod (63) is connected with the lifting beam (62) through a thread, the steering wheel (64) is fixedly connected to the top end of the rotating rod (63), the stop door (65) is hinged to one side edge of the support beam (61), and the handrail (66) is fixedly connected to two side faces of the support beam (61).

3. The slitting device for roller compacted concrete substrates as claimed in claim 2, wherein the top surface of the base plate (1) is fixedly provided with a fastening hole (12) at a position corresponding to the rotating rod (63), and the bottom end of the rotating rod (63) is in bearing connection with the fastening hole (12).

4. The roller compacted concrete substrate slitting device according to claim 1, wherein a water tank (8) is further installed on the supporting frame (11), a plurality of through holes (81) are formed in the top surface of the water tank (8), and a water outlet pipe (82) is connected to the bottom end of the side surface of the water tank (8).

5. The roller compacted concrete basement cutting device according to claim 4, characterized in that a protective cover (9) is installed on one side of the front cutting wheel (31) of the bottom plate (1), a hook (91) is fixedly installed on the rear portion of the side surface of the protective cover (9), a guide rod (92) is rotatably connected to the front portion of the side surface of the protective cover (9), a guide wheel (93) is connected to the end of the guide rod (92), and the protective cover (9) is communicated with the water outlet end of the water outlet pipe (82).